@font-face {
    font-family: "OpenSans";
    src: url("../resources/fonts/open_sans.ttf");
    font-display: swap;
}

@font-face {
    font-family: "inter_regular";
    src: url("../resources/fonts/Inter_Regular.ttf");
    font-display: swap;
}

@font-face {
    font-family: "inter_bold";
    src: url("../resources/fonts/Inter_Bold.ttf");
    font-display: swap;
}

@font-face {
    font-family: "poppins_regular";
    src: url("../resources/fonts/Poppins_Regular.ttf");
    font-display: swap;
}

@font-face {
    font-family: "poorich";
    src: url("../resources/fonts/POORICH.TTF");
    font-display: swap;
}

:root {
    --colorBg: #E6E8E6;
    --colorText: #3F403F;
    --colorMain: #475841;
    --colorOther: #9FB8AD;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background: var(--colorBg);
}

/* ===== LAZY LOADING IMAGE STYLES ===== */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

.lazy-image.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Intersection Observer fallback for very old browsers */
.no-js .lazy-image {
    opacity: 1;
}


/* banner start  */


.portfolio-sec1-div1 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: auto;
}

.portfolio-sec1-div2 {
    width: 100%;
    background-image: url("../resources/portfolio/5.webp");
    background-size: cover;
    background-position: center;
    margin-bottom: 1rem;
    height: 20rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-span {
    font-family: "Inter_Regular";
    color: white;
    font-size: 3.5rem;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.411);
}

.portfolio-sec1-div3 {
    width: fit-content;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 18.5rem;
    column-gap: 1rem;
    background-color: #E6E8E6;
    border-radius: 30px;
    padding: 0.8rem 2rem;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
}

.banner-span2 {
    font-family: "OpenSans";
    color: var(--colorText);
    font-size: 0.9rem;
}

.banner-span2 a {
    color: var(--colorText);
    text-decoration: none;
}

.banner-icon {
    width: 25px;
}

@media screen and (min-width:300px) and (max-width:449px) {
    .portfolio-sec1-div2 {
        height: 14rem;
    }

    .banner-span {
        font-size: 2rem;
    }

    .portfolio-sec1-div3 {
        padding: 0.6rem 1rem;
        top: 12.7rem;
        column-gap: 0.5rem;
    }

    .banner-icon {
        width: 20px;
    }
}

@media screen and (min-width:450px) and (max-width:549px) {
    .portfolio-sec1-div2 {
        height: 14rem;
    }

    .banner-span {
        font-size: 2.5rem;
    }

    .portfolio-sec1-div3 {
        padding: 0.6rem 1rem;
        top: 12.7rem;
        column-gap: 0.5rem;
    }

    .banner-icon {
        width: 20px;
    }
}

@media screen and (min-width:550px)and (max-width:949px) {
    .portfolio-sec1-div2 {
        height: 14rem;
    }

    .banner-span {
        font-size: 2.8rem;
    }

    .portfolio-sec1-div3 {
        padding: 0.6rem 1rem;
        top: 12.7rem;
        column-gap: 0.5rem;
    }

    .banner-icon {
        width: 20px;
    }
}

@media screen and (min-width:950px) and (max-width:1200px) {
    .portfolio-sec1-div2 {
        height: 18rem;
    }

    .banner-span {
        font-size: 3rem;
    }

    .portfolio-sec1-div3 {
        padding: 0.6rem 1rem;
        top: 16.7rem;
        column-gap: 0.5rem;
    }

    .banner-icon {
        width: 20px;
    }
}

/* banner end  */

/* ===== SLIDER STYLES ===== */
/* slider start  */
.portfolio-sec2 {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    z-index: 10;
    transition: all 0.3s ease;
}

.portfolio-sec2.stop-before-footer {
    position: absolute;
    bottom: auto;
}

.portfolio-sec2-div1 {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    width: 100%;
    margin-bottom: 1rem;
    margin-top: 2rem;
    max-width: 1600px;
}

.portfolio-sec2.stop-before-footer {
    position: absolute;
    bottom: auto;
}

.portfolio-sec2-div2 {
    padding: 10px;
    position: relative;
    overflow-x: hidden;
    border-radius: 5px;
}

.portfolio-sec2-div2 .icon {
    position: absolute;
    top: 0;
    height: 100%;
    width: 120px;
    display: flex;
    align-items: center;
}

.icon:first-child {
    left: 0;
    display: none;
    background: linear-gradient(90deg, #CED0CE 40%, transparent);
}

.icon:last-child {
    right: 0;
    justify-content: flex-end;
    background: linear-gradient(-90deg, #CED0CE 40%, transparent);
}

.icon i {
    width: 55px;
    height: 55px;
    cursor: pointer;
    font-size: 1.2rem;
    text-align: center;
    line-height: 55px;
    border-radius: 50%;
}

.icon i:hover {
    background: #efedfb;
}

.icon:first-child i {
    margin-left: 15px;
}

.icon:last-child i {
    margin-right: 15px;
}

.portfolio-sec2-div2 .tabs-box1 {
    display: flex;
    gap: 12px;
    list-style: none;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.tabs-box1.dragging {
    scroll-behavior: auto;
    cursor: grab;
}

.tabs-box1 .tab1 {
    font-family: "inter_bold";
    cursor: pointer;
    font-size: 1rem;
    white-space: nowrap;
    background: transparent;
    padding: 10px 17px;
    border-radius: 30px;
    border: 1px solid #475841;
    text-decoration: none;
    color: #3F403F;
}

a {
    text-decoration: none;
}

.tabs-box1 .tab1 a.active {
    text-decoration: none;
    color: #ffffff;
}

.tabs-box1 .tab1:hover {
    background: var(--colorMain, 20%);
    color: white;
}

.tabs-box1.dragging .tab1 {
    -webkit-user-select: none;
    user-select: none;
    pointer-events: none;
}

.tabs-box1 .tab1.active {
    background: var(--colorMain);
    border-color: transparent;
    color: white;
}

/* ===== PORTFOLIO STYLES - UNIFIED FOR ALL SECTIONS ===== */
/* portfolio start - UNIFIED STYLES FOR ALL SECTIONS */
.portfolio--sec3 {
    margin-bottom: 2rem;
}

.portfolio--sec3--div1 {
    max-width: 1600px;
    margin: auto;
    width: 96%;
}

.portfolio--sec3--div1 .h2 {
    text-align: center;
    font-weight: normal;
}

.portfolio--sec3--div2 {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
    margin-top: 30px;
}

.portfolio--sec3--div3 {
    position: relative;
    overflow: hidden;
}

.portfolio--sec3--div3 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.portfolio--sec3--div3:hover img {
    transform: scale(1.05);
}

.portfolio--sec3--div4 {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio--sec3--div3:hover .portfolio--sec3--div4 {
    opacity: 1;
}

.portfolio--sec3--div5 {
    background: transparent;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: solid white;
}

.portfolio--sec3--div5 i {
    font-size: 24px;
    color: #ffffff;
    font-weight: bolder;
}

/* Grid layouts for portfolio items */
.portfolio--sec3--div3:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(2) {
    grid-column: span 2;
    grid-row: span 3;
}

.portfolio--sec3--div3:nth-child(3) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(4) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(5) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(6) {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio--sec3--div3:nth-child(7) {
    grid-column: span 3;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(8) {
    grid-column: span 1;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(9) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(10) {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio--sec3--div3:nth-child(11) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(12) {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio--sec3--div3:nth-child(13) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(14) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(15) {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio--sec3--div3:nth-child(16) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(17) {
    grid-column: span 2;
    grid-row: span 3;
}

.portfolio--sec3--div3:nth-child(18) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(19) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(20) {
    grid-column: span 2;
    grid-row: span 2;
}

.portfolio--sec3--div3:nth-child(21) {
    grid-column: span 2;
    grid-row: span 1;
}



/* Modal styles */
.portfolio--sec3--div6 {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
}

.portfolio--sec3--div6 img {
    max-width: 90%;
    max-height: 90%;
  
}

.portfolio--sec3--div6 video {
    max-width: 90%;
    max-height: 90%;
    
}

.portfolio--sec3--div6.active {
    display: flex;
}

.portfolio--sec3--div6:after {
    content: '✖';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 28px;
    color: white;
    cursor: pointer;
}

/* ===== VIDEO STYLES ===== */
.video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
/* Responsive design */
@media (max-width: 700px) {
    .portfolio--sec3--div2 {
        grid-template-columns: repeat(6, 1fr);
        grid-auto-rows: 180px;
    }

    .portfolio--sec3--div3:nth-child(1) {
        grid-column: span 3;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(2) {
        grid-column: span 3;
        grid-row: span 3;
    }

    .portfolio--sec3--div3:nth-child(3) {
        grid-column: span 3;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(4) {
        grid-column: span 3;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(5) {
        grid-column: span 3;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(6) {
        grid-column: span 3;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(7) {
        grid-column: span 3;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(8) {
        grid-column: span 3;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(9) {
        grid-column: span 3;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(10) {
        grid-column: span 3;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(11) {
        grid-column: span 4;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(12) {
        grid-column: span 2;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(13) {
        grid-column: span 2;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth3-child(14) {
        grid-column: span 2;
        grid-row: span 1;
    }

    .portfolio--sec3--div3:nth-child(15) {
        grid-column: span 2;
        grid-row: span 1;
    }

    
    .portfolio--sec3--div3:nth-child(16) {
        grid-column: span 3;
        grid-row: span 2;
    }

    .portfolio--sec3--div3:nth-child(17) {
        grid-column: span 3;
        grid-row: span 3;
    }

    .portfolio--sec3--div3:nth-child(18) {
        grid-column: span 3;
        grid-row: span 2;
    }



    .portfolio--sec3--div5 {
        width: 40px;
        height: 40px;
    }

    .portfolio--sec3--div5 i {
        font-size: 20px;
    }
}

@media (max-width: 550px) {
    .portfolio--sec3--div2 {
        grid-template-columns: repeat(6, 1fr);
        grid-auto-rows: 180px;
    }
}

@media (max-width: 400px) {
    .portfolio--sec3--div2 {
        grid-template-columns: repeat(6, 1fr);
        grid-auto-rows: 180px;
    }

    .portfolio--sec3--div2 {
        gap: 10px;
        margin-top: 5px;
    }
}



.portfolio-loading {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--colorText);
        font-family: "Poppins_Regular";

}

.portfolio-loading.show {
    display: block;
}

.portfolio-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--colorOther);
    border-top: 4px solid var(--colorMain);
    border-radius: 50%;
    animation: portfolioSpin 1s linear infinite;
    margin-bottom: 15px;
}

.portfolio-end-message {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--colorText);
    font-family: "inter_regular";
    font-style: italic;
}

.portfolio-end-message.show {
    display: block;
}

@keyframes portfolioSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth animation for new items */
.portfolio--sec3--div3.new-item {
    opacity: 0;
    transform: translateY(20px);
    animation: slideInPortfolio 0.6s ease forwards;
}

@keyframes slideInPortfolio {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}










.portfolio--panoramas--div1{
   width: 100%;
    height: fit-content;
}

.portfolio--panoramas--div2{
 max-width: 1600px;
    margin: auto;
    width: 96%;
    height: auto;
    /* background-color: red; */
   
}

.portfolio--panoramas--div2 img{
    width: 100%;
    height: 600px;
}










.portfolio--3dmodel--div1{
     width: 100%;
    height: fit-content;
}

.portfolio--3dwalk--div2{
     max-width: 1600px;
    margin: auto;
    width: 96%;
    height: auto;
    /* background-color: red; */
    overflow-x: hidden;

}
#threed{
    width: 100%;
    height: 600px;
    
}



.portfolio--3dwalk--div1{
    width: 100%;
    height: fit-content;
}


.portfolio--3dwalk--div2{
    max-width: 1600px;
    margin: auto;
    width: 96%;
    height: auto;
}